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|[http://wiki.services.openoffice.org/wiki/Education_Project/Effort/Improve_Impress/Additional_3D_Transitions Implement additional 3D slideshow transitions]
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Building on top of a successful [1] from last year, the goal is to add more 3D transitions to the Impress application. A transition is an animation where one page is visible in the beginning and another in the end. It is used during presentation slideshow to switch pages.
The already existing OpenGL transition engine gets the previous and next page as a prerendered image, and then gets the stage (i.e. the screen) exclusively, for the duration of the transition.